Eliminate dupliclate definition of external variables reldesc and DataDir.

Some compilers recognize this error.

src/backend/bootstrap/bootstrap.c

@@ -7,7 +7,7 @@
  * Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.13 1996/12/26 22:06:59 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.14 1997/01/14 08:04:42 bryanh Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -184,7 +184,6 @@ static  struct  typmap  *Ap = (struct typmap *)NULL;
 static  int             Warnings = 0;
 static  char            Blanks[MAXATTR];
      
-Relation        reldesc;                /* current relation descriptor */
 static char *relname;                   /* current relation name */
 
 AttributeTupleForm attrtypes[MAXATTR];  /* points to attribute info */

src/backend/postmaster/postmaster.c

@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.30 1996/12/26 22:07:17 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.31 1997/01/14 08:05:19 bryanh Exp $
  *
  * NOTES
  *
@@ -119,11 +119,6 @@ static short    ActiveBackends = FALSE;
 static int      NextBackendId = MAXINT;         /* XXX why? */
 static char     *progname = (char *) NULL;
 
-char            *DataDir;
-  /* The PGDATA directory user says to use, or defaults to via environment
-     variable.  NULL if no option given and no environment variable set 
-  */
-    
 /*
  * Default Values
  */

src/backend/tcop/postgres.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.24 1996/12/26 22:07:40 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.25 1997/01/14 08:05:26 bryanh Exp $
  *
  * NOTES
  *    this is the "main" module of the postgres backend and
@@ -100,7 +100,6 @@ int     dontExecute = 0;
 static int      ShowStats;
 static bool     IsEmptyQuery = false;
 
-Relation        reldesc;                /* current relation descritor */
 char            relname[80];            /* current relation name */
 
 #if defined(WIN32) || defined(next)
@@ -1272,7 +1271,7 @@ PostgresMain(int argc, char *argv[])
      */
     if (IsUnderPostmaster == false) {
         puts("\nPOSTGRES backend interactive interface");
-        puts("$Revision: 1.24 $ $Date: 1996/12/26 22:07:40 $");
+        puts("$Revision: 1.25 $ $Date: 1997/01/14 08:05:26 $");
     }
     
     /* ----------------

src/backend/utils/init/globals.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.3 1996/11/14 10:24:38 bryanh Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.4 1997/01/14 08:05:36 bryanh Exp $
  *
  * NOTES
  *    Globals used all over the place should be declared here and not
@@ -41,7 +41,11 @@ int		Noversion = 0;
 int             Quiet = 1;
 
 int		MasterPid;
-char*           DataDir;
+char            *DataDir;
+  /* The PGDATA directory user says to use, or defaults to via environment
+     variable.  NULL if no option given and no environment variable set 
+  */
+Relation        reldesc;                /* current relation descriptor */
     
 char		OutputFileName[MAXPGPATH] = "";